CN207439136U - A kind of rotary kiln heat insulation layer structure - Google Patents
A kind of rotary kiln heat insulation layer structure Download PDFInfo
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- CN207439136U CN207439136U CN201721499864.8U CN201721499864U CN207439136U CN 207439136 U CN207439136 U CN 207439136U CN 201721499864 U CN201721499864 U CN 201721499864U CN 207439136 U CN207439136 U CN 207439136U
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- brick
- rotary kiln
- layer structure
- cavity
- insulation layer
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Abstract
The utility model discloses a kind of rotary kiln heat insulation layer structure, including：The shell of cylindrical kiln body；Its circumferential array is provided with refractory brick on the body case inner wall of cellar for storing things, the side wall of adjacent refractory brick keeps contradicting；And cavity is offered inside the refractory brick, thermal insulation material is filled in the cavity.There are three types of the transmission forms of usual thermal energy, heat conduction, thermal convection current and heat radiation, pass through the setting of cavity, reduce the heat transfer efficiency of refractory brick, and the setting of cavity inside thermal conservation material slows down the effect of thermal convection current and heat radiation, so as to reduce the rate that thermal energy is transferred on shell so that cement can be subject to more efficient heating effect inside the housing.
Description
Technical field
The utility model is related to cement making equipment technical field, more particularly to a kind of rotary kiln heat insulation layer structure.
Background technology
Cement rotary kiln is that cement slurry is utilized intermediate flame burner nozzle high-temperature heating by being blown into the hot junction of rotary kiln
The equipment for generating clinker needs the burning of coal dust to obtain thermal energy in the process.
Traditional rotary kiln inner wall is equipped with smooth refractory brick, using rotary force so that material advances, but the design
Heat-energy losses are serious, can not make full use of thermal convection current and heat radiation caused by coal dust heat production, and existing can improvements.
Utility model content
The purpose of this utility model is to provide a kind of rotary kiln heat insulation layer structure, have reduce rotary kiln internal radiation and
Thermal convection current and the advantages of slow down outside heat conduction.
The above-mentioned technical purpose of the utility model technical scheme is that：A kind of rotary kiln insulating layer
Structure, including：
The shell of cylindrical kiln body；
Its circumferential array is provided with refractory brick on the body case inner wall of cellar for storing things, the side wall of adjacent refractory brick keeps contradicting；
And
Cavity is offered inside the refractory brick, thermal insulation material is filled in the cavity.
By using above-mentioned technical proposal, there are three types of the transmission forms of usual thermal energy, heat conduction, thermal convection current and heat radiation, leads to
The setting of cavity is crossed, reduces the heat transfer efficiency of refractory brick, and the setting of cavity inside thermal conservation material slows down thermal convection current and heat
The effect of radiation, so as to reduce the rate that thermal energy is transferred on shell so that cement can be subject to more efficient inside the housing
Heating effect.
The further setting of the utility model, the refractory brick include the brick body in a tubular form with cavity, brick body two
End is respectively fitted with the brick agreed with brick body end face and brick tail, and the brick and brick tail are interference fitted with brick body.
By using above-mentioned technical proposal so that when being sintered brick body, the both sides of brick body are in communication with the outside, consequently facilitating
Thermal insulation material is put into cavity, after thermal insulation material has assembled, by by brick and brick tail and brick body elastic conjunction, realizing empty
The sealing of chamber.
The further setting of the utility model, brick body are fired by fire clay, are buried in the fire clay
There is the frame being welded by screw-thread steel.
By using above-mentioned technical proposal, the compression of the brick body of inner hollow in rotary kiln is larger, and is welded by screw-thread steel
The frame connect has stronger anti-pressure ability, is combined with brick body frame when firing brick body to greatly strengthen brick body
Structural strength.
The further setting of the utility model, the frame include the pedestal being arranged in parallel along brick body length direction and hang down
The straight reinforcing rib being arranged between pedestal.
By using above-mentioned technical proposal, using the setting of reinforcing rib, the anti-pressure ability of brick body transverse direction, and brick body are added
When placing, horizontal anti-pressure ability is stronger, so that the more consolidation filled between adjacent refractory brick.
The further setting of the utility model, the brick and brick tail have been wholely set close to one end of brick body fits with cavity
The clamping portion matched somebody with somebody, the brick and brick tail are sintered by the fire clay mixed with silica flour.
By using above-mentioned technical proposal, since the coefficient of expansion of silica flour is more than the coefficient of expansion of heat-resisting clay so that resistance to
For hot brick when firing, the expansion rate of brick body is less than the expansion rate of clamping portion, so as to cause clamping portion after firing with brick body interference
Cooperation, so as to fulfill the fixation of brick body and brick and brick tail.
The further setting of the utility model, one side of the brick away from brick body have been wholely set convex block, the brick tail
One side away from brick body is wholely set the caulking groove being adapted to convex block.
By using above-mentioned technical proposal, when being laid with refractory brick inside the housing, brick body needs the axial direction along shell
It is laid with, it is end to end so as to cause the refractory brick being axially laid with along shell so that in the convex block insertion caulking groove on adjacent refractory brick,
So that adjacent refractory brick is not easily disconnected from the radial position of shell, so as to improve the stability connected between refractory brick.
The further setting of the utility model is arranged at intervals with along the refractory brick of the shell circumferential array of kiln body towards kiln
The lug boss in the shell axle center of body makes rotary kiln inner cavity form concave-convex structure staggeredly.
By using above-mentioned technical proposal, rotary kiln shell when heating cement rotates together with refractory brick, and bumps are handed over
Wrong refractory brick adds the frictional force between cement so that cement can be brought to enclosure higher position and returned again by refractory brick
Fall, and have the charcoal feed powder end of burning in the cavity of enclosure, so as to which cement during chamber central by being subject to higher temperature
Calcination, so as to improve the processing efficiency of cement.
The further setting of the utility model, the thermal insulation material are made of alumina silicate heat preserving ceramic material.
There is excellent thermal stability and absorbing sound and lowering noise by using above-mentioned technical proposal alumina silicate heat preserving ceramic material
Effect can make rotary kiln inner cavity possess good heat insulation effect.
In conclusion the utility model has the advantages that：
1. by the setting of the internal refractory brick filled with alumina silicate heat preserving ceramic material, cellar for storing things body inside cavity is added
Insulating efficiency reduces hot loss of energy, the production efficiency of raising；
2. the setting of brick body inner frame improves the structural strength of refractory brick entirety, so as to improve the stability of rotary kiln.
Description of the drawings
Fig. 1 is rotary kiln heat insulation layer structure schematic diagram；
Fig. 2 is the Split type structure schematic diagram of refractory brick；
Fig. 3 is brick stern construction schematic diagram；
Fig. 4 is circuit theory schematic diagram.
Reference numeral：1st, shell；2nd, refractory brick；21st, brick body；22nd, brick；23rd, brick tail；3rd, cavity；4th, thermal insulation material；5、
Frame；51st, pedestal；52nd, reinforcing rib；6th, clamping portion；7th, convex block；8th, caulking groove；9th, lug boss.
Specific embodiment
The utility model is described in further detail below in conjunction with attached drawing.
With reference to shown in Fig. 1, a kind of rotary kiln heat insulation layer structure, the shell 1 including cylindrical kiln body, in cellar for storing things body case
Its circumferential array is provided with refractory brick 2 on 1 inner wall, the side wall of adjacent refractory brick 2 keeps contradicting, and rotary kiln is when heating cement
Shell 1 rotates together with refractory brick 2, and refractory brick 2 can bring cement to 1 inside higher position of shell to be fallen after rise again, and in shell 1
There is the charcoal feed powder end of burning in the cavity in portion, so as to which cement is subject to high temperature sintering when passing through chamber central, so as to complete cement
Firing.
With reference to shown in Fig. 2, cavity 3 is offered inside refractory brick 2, thermal insulation material 4, thermal insulation material 4 are filled in cavity 3
It is made of alumina silicate heat preserving ceramic material.
With reference to shown in Fig. 4, refractory brick 2 include the brick body 21 in a tubular form with cavity 3,21 both ends of brick body be respectively fitted with
The brick 22 and brick tail 23 that 21 end face of brick body is agreed with, brick body 21 are fired by fire clay, strong to improve the structure of brick body 21
Degree, is embedded with the frame 5 being welded by screw-thread steel in brick body 21, and frame 5 includes being arranged in parallel along 21 length direction of brick body
Pedestal 51 and the reinforcing rib 52 that is vertically set between pedestal 51.
Since brick body 21 needs one side and is in opening state in order to be embedded thermal insulation material 4 before brick body 21 has been fired,
So that brick body 21, brick 22 and brick tail 23 are split type setting, it is fixed for convenience of brick body 21 and brick 22 and brick tail 23,
Brick 22 and brick tail 23 be wholely set close to one end of brick body 21 clamping portion 6 with 3 establishing of cavity, brick 22 and brick tail 23 by
It is sintered mixed with the fire clay of silica flour, is more than the expansion of common heat-resisting clay mixed with the coefficient of expansion of the fire clay of silica flour
Coefficient so that for heat resisting brick when firing, the expansion rate of brick body 21 is less than the expansion rate of clamping portion 6, is being burnt so as to cause clamping portion 6
It is interference fitted after system with brick body 21.
With reference to shown in Fig. 3, since when 1 laid inside refractory brick 2 of shell, brick body 21 needs the axial direction along shell 1
It is laid with, convex block 7 has been wholely set in one side of the brick 22 away from brick body 21, one side of the brick tail 23 away from brick body 21 has been wholely set
The caulking groove 8 being adapted to convex block 7, it is end to end so as to cause the refractory brick 2 being axially laid with along shell 1, and convex block 7 is embedded in caulking groove 8,
Improve stability of the refractory brick 2 in radial position.
With reference to shown in Fig. 1, the shell 1 towards kiln body is arranged at intervals with along the refractory brick 2 of 1 circumferential array of shell of kiln body
The lug boss 9 in axle center so as to form concave-convex structure staggeredly in rotary kiln inner cavity, is added between rotary kiln inner cavity and cement
Frictional force so that refractory brick 2 can bring cement to 1 inside higher position of shell to be fallen after rise again, to improve cement middle part is subject to heat
Time, improve the production efficiency of clinker.
This specific embodiment is only explanation to the utility model, is not the limitation to the utility model, ability
Field technique personnel can as needed make the present embodiment the modification of no creative contribution after this specification is read, but
As long as it is all protected in the right of the utility model be subject to Patent Law.
Claims (8)
1. a kind of rotary kiln heat insulation layer structure, which is characterized in that including：
The shell (1) of cylindrical kiln body；
Its circumferential array is provided with refractory brick (2) on body case (1) inner wall of cellar for storing things, the side wall of adjacent refractory brick (2) is kept
It contradicts；And
Cavity (3) is offered inside the refractory brick (2), thermal insulation material (4) is filled in the cavity (3).
2. a kind of rotary kiln heat insulation layer structure according to claim 1, which is characterized in that the refractory brick (2) includes band
The brick body (21) in a tubular form of cavity (3), brick body (21) both ends are respectively fitted with the brick agreed with brick body (21) end face
(22) it is interference fitted with brick tail (23), the brick (22) and brick tail (23) with brick body (21).
3. a kind of rotary kiln heat insulation layer structure according to claim 2, which is characterized in that brick body (21) is glued by fire resisting
Soil is fired, and the frame (5) being welded by screw-thread steel is embedded in the fire clay.
4. a kind of rotary kiln heat insulation layer structure according to claim 3, which is characterized in that the frame (5) is included along brick
The pedestal (51) that body (21) length direction is arranged in parallel and the reinforcing rib (52) being vertically set between pedestal (51).
5. a kind of rotary kiln heat insulation layer structure according to claim 4, which is characterized in that the brick (22) and brick tail
(23) clamping portion (6) being adapted to cavity (3), the brick (22) and brick tail are wholely set close to one end of brick body (21)
(23) it is sintered by the fire clay mixed with silica flour.
6. a kind of rotary kiln heat insulation layer structure according to claim 5, which is characterized in that the brick (22) is away from brick body
(21) one side has been wholely set convex block (7), and one side of the brick tail (23) away from brick body (21) has been wholely set and convex block (7)
The caulking groove (8) of adaptation.
7. a kind of rotary kiln heat insulation layer structure according to claim 1, which is characterized in that circumferential along the shell (1) of kiln body
The lug boss (9) in shell (1) axle center towards kiln body is arranged at intervals on the refractory brick (2) of arrangement, forms rotary kiln inner cavity
The structure of bumps staggeredly.
8. a kind of rotary kiln heat insulation layer structure according to claim 1, which is characterized in that the thermal insulation material (4) is by silicon
Sour aluminium heat preserving ceramic material is formed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721499864.8U CN207439136U (en) | 2017-11-10 | 2017-11-10 | A kind of rotary kiln heat insulation layer structure |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721499864.8U CN207439136U (en) | 2017-11-10 | 2017-11-10 | A kind of rotary kiln heat insulation layer structure |
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| Publication Number | Publication Date |
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| CN207439136U true CN207439136U (en) | 2018-06-01 |
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| CN201721499864.8U Active CN207439136U (en) | 2017-11-10 | 2017-11-10 | A kind of rotary kiln heat insulation layer structure |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109340778A (en) * | 2018-10-09 | 2019-02-15 | 新中天环保股份有限公司 | With the rotary kiln of efficient fire resistant heat preserving effect in a kind of incineration system |
| CN109780855A (en) * | 2017-11-10 | 2019-05-21 | 深圳市昌润利环保科技有限公司 | A kind of heat insulation layer structure and the rotary kiln with the insulation construction |
| WO2020181712A1 (en) * | 2019-03-14 | 2020-09-17 | 金刚新材料股份有限公司 | Rotary kiln having segmented temperature control capability |
| CN112013684A (en) * | 2019-07-08 | 2020-12-01 | 张晓伟 | Refractory brick for rotary kiln and method |
| CN113912383A (en) * | 2021-11-17 | 2022-01-11 | 浙江骏海新材料有限公司 | Method for preparing high-alumina brick by environment-friendly rotary kiln |
-
2017
- 2017-11-10 CN CN201721499864.8U patent/CN207439136U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109780855A (en) * | 2017-11-10 | 2019-05-21 | 深圳市昌润利环保科技有限公司 | A kind of heat insulation layer structure and the rotary kiln with the insulation construction |
| CN109340778A (en) * | 2018-10-09 | 2019-02-15 | 新中天环保股份有限公司 | With the rotary kiln of efficient fire resistant heat preserving effect in a kind of incineration system |
| WO2020181712A1 (en) * | 2019-03-14 | 2020-09-17 | 金刚新材料股份有限公司 | Rotary kiln having segmented temperature control capability |
| CN112013684A (en) * | 2019-07-08 | 2020-12-01 | 张晓伟 | Refractory brick for rotary kiln and method |
| CN113912383A (en) * | 2021-11-17 | 2022-01-11 | 浙江骏海新材料有限公司 | Method for preparing high-alumina brick by environment-friendly rotary kiln |
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